The Best Muscle Building Supplements

Working hard at the gym and keeping your diet tight are the cornerstones of any muscle building regimen, but adding in targeted supplements can also help you to maximize your gains.

Finding the best muscle building supplement for your wellness regimen means reading reviews, studying product features, and diving into the ins and outs of available formulas and configurations. With the right muscle building supplement, you can reap the full rewards of your diet and exercise program.

We reviewed dozens of muscle building supplements to identify the best of the best, based on Amazon reviews, how well they performed in tests, cost, and other considerations. We narrowed our search down to 5 of the top-rated muscle building supplements people can purchase to ensure they’re maximizing their gains.

To make sure you don’t suffer pain while you’re strength building with your muscles, you may want to preemptively begin adding joint supplements into your regiment, too. For a bit of proactive research, check out The Best Joint Supplements.

Our Top Pick
TestoGen

Contains natural ingredients to boost testosterone easily and safely.

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We’ve identified TestoGen as the best muscle building supplement out there. With a blend of natural ingredients that safely boost testosterone levels, this muscle building supplement is one that will keep your body in tip top shape. These benefits allow you to reap the most from your hard work at the gym.

Legal Disclaimer

Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.

The 5 Top-Rated Muscle Building Supplements

Editor's PicksBrandRating
Best OverallTestoGen4.5
Runner UpCrazy Bulk4.0
Best Budget BuyD-Bal MAX4.0
Best Anabolic Support ComplexTestofuel4.5
Best Natural Body Brutal Force 4.5

*Ratings are from Amazon at the time of publication and can change

Our Top Pick: TestoGen

TestoGen took the top spot on our list of the best muscle building supplements, and contains a blend of natural ingredients, vitamins and minerals. Such ingredients include D-aspartic acid and vitamin D3. Current research shows inconclusive results as to if these ingredients boost testosterone significantly. 1 2 The makers of TestoGen claim that this can help users with increasing strength and stamina, improving focus, decreasing irritability, fatigue, and excess body fat, in addition to improving muscle tone and libido. It contains no artificial ingredients, and comes in a capsule format.

Those who purchased and reviewed this muscle building supplement appreciated that it helped them see noticeable improvements in strength, and the majority said they were able to lose weight with this supplement. People gained lean muscle while using this supplement, and liked that there was plenty of scientific testing done on the product.

With a price tag of around $60/month supply, it doesn’t come cheap, but the quality ingredients associated with the brand, as well as the ease of use more than justifies that price. You can save even more if you purchase in bulk. It has an average rating of 4.5/5 stars on several popular bodybuilding forums with dozens of people reviewing it, which we think goes a long way in convincing people to make the investment.

TestoGen Key Features:

  • Each bottle contains 120 capsules
  • Includes a 100% money-back guarantee
  • Free shipping

Our Runner Up Pick: Crazy Bulk

Runner Up
Crazy Bulk

100% legal bodybuilding supplements for bulking, cutting and strength.

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Crazy Bulk took the runner-up spot on our list of the best muscle building supplements. They offer a wide range of supplements based on whatever fitness goals you’re trying to accomplish. Crazy Bulk counts professional bodybuilders and fitness coaches among its clients, and offers free workout guides for its customers. They offer targeted single products or blended “stacks” of complementing formulas.

Those who purchased and reviewed this muscle building supplement appreciated that it offered noticeable improvements to their strength in as little as 2 weeks. Many users also had noticeable fat loss, and commented that Crazy Bulk made them feel more energized and with improved stamina at the gym. People liked that the website clearly listed ingredients, and found ordering easy.

At a cost of about $60/bottle or about $180/stack, it doesn’t come cheap, but the quality ingredients associated with the brand, as well as the ease of use more than justifies that price. It has an average rating of about 4/5 stars on several popular bodybuilding forums with dozens of people reviewing it, which we think goes a long way in convincing people to make the investment.

Crazy Bulk Key Features:

  • Every third item is free
  • Free shipping anywhere in the world
  • Complementary apparel available

Best Budget Pick: D-Bal MAX

Best for Budget
D-Bal MAX

Triple action formula offers maximum results.

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D-Bal MAX is an excellent choice for those who want a muscle building supplement that won’t break the bank. It provides many of the benefits of Dianabol (the brand name for the anabolic steroid methandienone). It contains whey protein to help support protein synthesis for stronger and larger muscles. 3 It uses branched-chain amino acids (BCAAs to help decrease muscle soreness post-workout). 4

Those who purchased and reviewed this muscle building supplement appreciated that the dosing of ingredients was small enough that negative side effects were not noticeable, but large enough that it still provided noticeable results at the gym. People liked the plant-based ingredients, had noticeable improvements in muscle bulk, and that there were studies to back it up.

With a price tag of approximately $70/monthly supply, this muscle building supplement is a solid choice for those looking for a muscle building supplement option on a budget, but only if you purchase their bulk program. The 3- and 6-month options both bring the cost down to about $47/month. It has an average rating of about 4/5 stars on several popular bodybuilding forums with dozens of people reviewing it, which we think goes a long way in convincing people to make the investment.

D-Bal MAX Key Features:

  • Formula is 100% legal
  • Contains whey protein
  • Manufactured in a cGMP certified, FDA inspected facility

Best Anabolic Support Complex: Testofuel

Best Anabolic Support Complex
Testofuel

Designed to naturally increase testosterone levels.

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Testofuel is a great option for those looking for a supplemental support complex with the aim of boosting libido, sperm count and muscle-building, per the company. It contains Vitamin D, ginseng and fenugreek to name a few ingredients. It also features a blend of D-Aspartic acid, which may improve sperm quality, but larger studies are needed to substantiate these claims. 5 6 The company ships worldwide, and offers a 90-day money-back guarantee on all orders.

Those who purchased and reviewed this muscle building supplement appreciated that it offered noticeable gains in a relatively short time frame, without the harmful effects of anabolic steroids. People commented that the packaging was good, and that even though it was expensive, it was worth it for the results it offered.

With a price tag of around $65/box, it doesn’t come cheap, but the quality ingredients and scientific research associated with the brand, as well as the ease of use more than justifies that price. It has an average rating of about 4.5/5 stars on several popular bodybuilding forums with dozens of people reviewing it, which we think goes a long way in convincing people to make the investment.

Testofuel Key Features:

  • Contains all-natural ingredients
  • Each bottle contains 120 capsules
  • Manufactured in a cGMP certified, FDA inspected facility

Best Natural Testosterone Booster: Brutal Force

Natural Testosterone Booster
Brutal Force

A 100% natural muscle building supplement that comes in a choice of four powerful formulations.

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Brutal Force is another high-quality option that may make bulking up easier. You can choose from a four distinct bulking products, all of which are made with 100% natural ingredients:

DBULK – Dianabol, which is formulated to increase muscle strength, build lean muscle fast, and reduces muscle soreness. Its star ingredients are vitamin D3 7 and methylsulfonylmethane (MSM). 8 SBULK – Sustanon, which is formulated increase  T-levels, promote rapid recovery, and enhance strength and stamina. Its star ingredient is D-aspartic acid.9 TBULK – Trenbolone, which is formulated to shred through fat, promote vascularity, and boosts your natural pump. Its star ingredient is cat’s claw.10 ABULK – Anadrol, which is formulated to increase muscle mass, delay muscle fatigue, and provides rapid results. Its star ingredient is puncture vine.11

As you can see, each bulking product offers a range of enticing features and benefits, so you won’t have trouble finding the right one to help you achieve your muscle building goals. It’s important to keep in mind that further research is needed regarding the efficacy of the ingredients, as is the case with other muscle building products. At a cost of about $55/packet, all of them are relatively more affordable than most comparable options on the market. Considering the strong reputation of the brand, as well as the quality of the ingredients, we think you’ll find that Brutal Force is fairly priced. Each order also comes with free shipping and a 100% money-back guarantee.

Brutal Force Key Features:

  • Each packet contains 30 servings
  • Includes a 100% money-back guarantee
  • 100% natural ingredients

Who Should Buy a Muscle Building Supplement

A muscle building supplement is an ideal choice for those who are looking to maximize their gains from time spent at the gym. Because most supplements are designed specifically with men in mind, their ingredients will be different than what women need. There are targeted weight loss supplements specifically for women to help with their needs.

If you’re following a muscle-gaining exercise routine and eating a well-rounded diet, but you’re still unhappy with your results, talk to your doctor about taking additional supplements for muscle building.

Many muscle building supplements claim to improve protein synthesis, speed recovery, and normalize hormone levels for maximum gains, however, there is currently inconclusive or not enough research to necessarily support all claims.

Unlike illegal anabolic steroids, legal muscle building supplements can be safe, but always talk to your doctor before starting one.

If you want to also cut down on weight, you may want to cut back on sugar. Need help with that? Check out our post on How To Wean Off Sugar: A Complete Guide On How To Wean Yourself Off Sugar.

Our Top Pick
TestoGen

Contains natural ingredients to boost testosterone easily and safely.

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Important Features to Consider

Not all muscle building supplements are created equal. A muscle building supplement should be effective and safe. Here’s what to consider when evaluating the options in search of the best muscle building supplement for your needs:

  • Type. Muscle building supplements are available in single ingredient formulas and blends. Single formulas have just one main ingredient, while blends contain a “stack” or mix of ingredients. Depending on your overall health, budget, and goals, you may prefer to go with one or the other.
  • Format. Another important consideration when it comes to choosing the best muscle building supplement is the format. There are powders, bars, shakes, and capsules available, but all help achieve the same end result — increased muscle mass.
  • Ingredients. Certain ingredients have shown to help with muscle building, including protein and creatine. 12 13 14 15 16 Other ingredients may provide benefits in muscle adaptation, recovery and exercise performance, but more research is needed: beta-alanine, L-Citrulline, BCAAs, D-aspartic acid, and L-Arginine. 17 18 19
  • Labels. Keep in mind that most over the counter muscle building supplements are not regulated by the FDA. This leaves the burden of ensuring safety on the consumer, so carefully check information of all ingredients of a supplement before purchasing. Also look into the reliability of the manufacturer before buying any supplement. Quality manufacturers should list all ingredients and have access to lab tests and studies that show their products are safe and effective.
  • Price point. Finally, consider how much you are willing to spend on a muscle building supplement. Muscle building supplements vary in price from $20-$100/month or more.

Frequently Asked Questions

What is a muscle building supplement and how does it work?

There are a few ways the ingredients in muscle building supplements aim to boost muscle. Some ingredients work on building the muscle itself. Others aim to boost testosterone. Some work to boost energy and strength for more effective workouts. After a workout, some ingredients may help you feel less sore or fatigued for an easier recovery.

What are the side effects of muscle building supplements?

The side effects of muscle building supplements depend on what’s in your supplement, other medications you take and if you abuse them. 20 Fatigue, excess body fat, stomach pain, nausea, diarrhea, muscle cramping, feeling jittery, water retention or even kidney issues can arise from taking muscle enhancers. 21

How long should you take a muscle building supplement?

The idea with any supplement is that you take it consistently in order to get the most benefit. Unfortunately, most supplements do not have large studies to show how long their product takes to work. Make sure to keep your doctor informed if you start or stop over-the-counter supplements.

How can I build muscle fast?

Make sure you’ve got a well-rounded muscle boosting approach! Personalizing your muscle-building routine with diet, exercise and progress tracking will help show you what things are working, and what’s not working. If you do decide to add in a supplement, tracking symptoms and gains will help you determine if the supplement significantly improves your results.

Other Muscle Building Supplements We Reviewed

Our Top Pick
TestoGen

Contains natural ingredients to boost testosterone easily and safely.

Check Price

We looked at 20 other muscle building supplements. Even though they didn’t make our 5 best muscle building supplements list, they’re the best of the rest and each is still a great option to help maximize your gains at the gym. The information you’ll need to compare each one is included with the listing.

Muscle Building Supplement Powders

Legion Recharge Post Workout Supplement

Legion Recharge Post Workout Supplement

This muscle building supplement powder boasts the inclusion of creatine monohydrate, and can be stacked with other supplements in your pre- or post-workout beverage for added convenience.

Key Features:

  • Available in a selection of flavors
  • Contains 60 servings per container
  • Naturally sweetened

Cost: $35

MP Essentials Micronized Creatine

MP Essentials Micronized Creatine

This muscle building supplement powder boasts micronized creatine powder for improved performance and recovery. 22

Key Features:

  • Available in a choice of sizes
  • Contains 60 servings per container
  • Includes a money-back guarantee

Cost: $11

Optimum Nutrition Gold Standard 100% Whey Protein Powder

Optimum Nutrition Gold Standard 100% Whey Protein Powder

This muscle building supplement powder boasts 24 grams of protein per serving, along with 4 grams of glutamine, and 5.5 grams of BCAAs.

Key Features:

  • Available in a choice of sizes
  • Available in a selection of flavors
  • Contains 71 servings per container

Cost: $55

ProSupps Mr. Hyde NitroX Pre-Workout Powder Energy Drink

ProSupps Mr. Hyde NitroX Pre-Workout Powder Energy Drink

This muscle building supplement powder contains some caffeine in order to boost energy and focus during a workout. 23

Key Features:

  • Available in a choice of sizes
  • Available in a selection of flavors
  • 30-day satisfaction guarantee

Cost: $24

Muscle Milk Pro Series Protein Powder

Muscle Milk Pro Series Protein Powder

This muscle building supplement powder boasts a whopping 50 grams of protein per serving, and is an excellent source of 20 vitamins and minerals that help to promote optimal health.

Key Features:

  • Contains 60 servings per container
  • Just 3 grams of sugar per serving
  • Soy- and gluten-free

Cost: $28

Dymatize Elite 100% Micellar Casein

Dymatize Elite 100% Micellar Casein

This muscle building supplement powder boasts a micellar casein protein. Ingesting casein may help increase strength and size of muscles. 24

Key Features:

  • Available in a choice of sizes
  • Available in a selection of flavors
  • Contains 25g protein, 5.4g BCAAs, and 2.3g leucine per serving

Cost: $27

Muscle Feast Creapure Creatine Monohydrate Powder

Muscle Feast Creapure Creatine Monohydrate Powder

This muscle building supplement powder contains creatine monohydrate. Creatine has been studied extensively and may be most effective for certain types of athletes who do short, high-intensity training. 25 26 27

Key Features:

  • Available in a choice of sizes
  • Available in a selection of flavors
  • Contains 55 servings per container

Cost: $14

Whey Protein Powder Isolate by BulkSupplements

Whey Protein Powder Isolate by BulkSupplements

This muscle building supplement powder offers a lab-tested whey protein isolate that boasts a complete amino acid profile to help build muscle. 28

Key Features:

  • Available in a choice of sizes
  • Contains 16 servings per container
  • Free from corn, gluten, yeast, and added sugar

Cost: $17

Muscle Building Supplement Capsules

EP1LOGUE Muscle Builder & Epicatechin Supplement

EP1LOGUE Muscle Builder & Epicatechin Supplement

These muscle building supplement capsules contain a blend of green tea extract.

Key Features:

  • Contains 60 capsules
  • Stimulant-free formula
  • Made in the USA

Cost: $47

Ultimate Testo Explosion Vitality – Premium Health Booster

Ultimate Testo Explosion Vitality - Premium Health Booster

These muscle building supplement capsules boast a formula that helps to accelerate fat loss for a more defined physique, and helps to boost testosterone levels.

Key Features:

  • Contains 60 capsules
  • Made in the USA
  • Manufactured in a cGMP certified facility

Cost: $60

BioOptimal Collagen Pills

BioOptimal Collagen Pills

These muscle building supplement capsules boast a blend of hydrolyzed collagen peptides that help support healthy skin, hair, nails, muscles, and joints. 29 30

Key Features:

  • Collagen derived from pasture-raised bovine collagen peptides
  • Contains 180 capsules
  • Includes a 90-day money-back guarantee

Cost: $18

Caliber Labs Testosterone Booster

Caliber Labs Testosterone Booster

This company claims that their blend of natural ingredients helps to improve stamina, self-esteem, and performance at the gym and in the bedroom.

Key Features:

  • Manufactured in a cGMP certified, FDA-inspected facility
  • Contains 90 capsules
  • Made in the USA

Cost: $17

Bucked Up Phosphatidic Acid

Bucked Up Phosphatidic Acid

Phosphatidic acid has been shown to positively impact strength (along with resistance training) compared to exercise alone. 31

Key Features:

  • Contains 120 capsules
  • Manufactured in a cGMP certified facility
  • Made in the USA

Cost: $70

Myogenix Joint And Tissue Joint And Tissue

Myogenix Joint And Tissue Joint And Tissue

These supplement capsules focus on joint recovery.

Key Features:

  • Contains 240 capsules
  • Made in the USA
  • Clinically-proven ingredients

Cost: $43

Skin Care Solutions Nitric Oxide Muscle Pump

Skin Care Solutions Nitric Oxide Muscle Pump

These supplement capsules boast a formula that helps to improve cardiovascular endurance while reducing recovery time, and come with a money-back guarantee. 32

Key Features:

  • Contains 90 capsules
  • Made in the USA
  • Manufactured in a cGMP certified facility

Cost: $25

Megadrox Premium Workout Supplement

Megadrox Premium Workout Supplement

These muscle building supplement capsules contain L-Arginine and L-Citrulline. These ingredients may help improve circulation and cardiorespiratory endurance during a workout. 33

Key Features:

  • Available in single or multi-packs
  • Contains 60 capsules
  • Includes a satisfaction guarantee

Cost: $86

LEAN Nutraceuticals Natural Testosterone Booster

LEAN Nutraceuticals Natural Testosterone Booster

These muscle building supplement capsules boast a formula that was developed in conjunction with a medical doctor, and contains a blend of high quality ingredients to boost testosterone levels.

Key Features:

  • Contains 180 capsules
  • Natural ingredients
  • Third party tested for safety

Cost: $39

Nique Nutrition Premium L-Arginine Dietary Supplement

Nique Nutrition Premium L-Arginine Dietary Supplement

These muscle building supplement capsules contain L-Arginine.

Key Features:

  • Contains 60 capsules
  • Includes a money-back guarantee
  • Take before a meal

Cost: $40

Muscle Building Supplement Sprays

Safe Anabolic Sciences Anabolic Pro Stack

Safe Anabolic Sciences Anabolic Pro Stack

This muscle building supplement spray boasts formulas that help improve muscle building and recovery, and is licensed and endorsed by several professional bodybuilders.

Key Features:

  • Enough for a 3-month supply
  • Fast absorbing
  • Manufactured in an FDA-inspected facility

Cost: $295

Muscle Force Extreme

Muscle Force Extreme

This muscle building supplement spray boasts a proprietary formula designed to help increase strength, lean muscle, and endurance, and contains L-Arginine, Bulgarian tribulus, and niacin.

Key Features:

  • Available in single or multi-packs
  • Manufactured in a cGMP certified facility
  • Includes a 60-day money-back guarantee

Cost: $42

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